First, static management. In addition to hospitals, pharmacies, supermarkets (including farmers' markets), food and beverage takeout, water, electricity, oil, gas, heat, communications, sanitation, grain, oil, meat and vegetables supply, other business activities and all gathering activities are suspended. Students take online courses. Please go out as little as possible. Except for lifestyle supermarkets (including farmers' markets) and catering enterprises (which only provide express service) that guarantee citizens' basic living needs, other business premises and stores are closed, and static management can generally be lifted within 14 to 28 days. Static management means that the personnel in the closed control area are prohibited from leaving the house, and the personnel in the control area are prohibited from leaving the unit (returning immediately after participating in nucleic acid sampling). As for the time to release static management, it depends on the local official notice.